func (r *repositoryRetriever) Repository(ctx gocontext.Context, registry *url.URL, repoName string, insecure bool) (distribution.Repository, error) {
src := *registry
// ping the registry to get challenge headers
if err, ok := r.pings[src]; ok {
if err != nil {
return nil, err
}
if redirect, ok := r.redirect[src]; ok {
src = *redirect
}
} else {
redirect, err := r.ping(src, insecure)
r.pings[src] = err
if err != nil {
return nil, err
}
if redirect != nil {
r.redirect[src] = redirect
src = *redirect
}
}
rt := transport.NewTransport(
r.context.Transport,
// TODO: slightly smarter authorizer that retries unauthenticated requests
auth.NewAuthorizer(
r.context.Challenges,
auth.NewTokenHandler(r.context.Transport, r.credentials, repoName, "pull"),
auth.NewBasicHandler(r.credentials),
),
)
return registryclient.NewRepository(context.Context(ctx), repoName, src.String(), rt)
}
func (r *repositoryRetriever) Repository(ctx gocontext.Context, registry *url.URL, repoName string, insecure bool) (distribution.Repository, error) {
named, err := reference.ParseNamed(repoName)
if err != nil {
return nil, err
}
t := r.context.Transport
if insecure && r.context.InsecureTransport != nil {
t = r.context.InsecureTransport
}
src := *registry
// ping the registry to get challenge headers
if err, ok := r.pings[src]; ok {
if err != nil {
return nil, err
}
if redirect, ok := r.redirect[src]; ok {
src = *redirect
}
} else {
redirect, err := r.ping(src, insecure, t)
r.pings[src] = err
if err != nil {
return nil, err
}
if redirect != nil {
r.redirect[src] = redirect
src = *redirect
}
}
rt := transport.NewTransport(
t,
// TODO: slightly smarter authorizer that retries unauthenticated requests
// TODO: make multiple attempts if the first credential fails
auth.NewAuthorizer(
r.context.Challenges,
auth.NewTokenHandler(t, r.credentials, repoName, "pull"),
auth.NewBasicHandler(r.credentials),
),
)
repo, err := registryclient.NewRepository(context.Context(ctx), named, src.String(), rt)
if err != nil {
return nil, err
}
return NewRetryRepository(repo, 2, 3/2*time.Second), nil
}